2 definitions by bad lady planet

The act of having intercourse with a woman during her period, wherein the man (or the person with the dildo) penetrates her vaginally, creating the "rust," and then penetrates her anally, sinking it in a deep dark place.
My cousin had her period, so I totally rusty submarined her.
by bad lady planet October 24, 2010
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A phrase used to describe the dissatisfaction a woman begins to feel during intercourse with a man who is under-endowed, as her perfectly fine vagina begins to feel cavernous because of his teeny-weeny.
I thought my first time having sex with Bill was gonna be great, but it was a total Timmy fell down the well. What a bummer.
by bad lady planet October 24, 2010
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